TypeConversionDescriptorBase.java

/*
 * Copyright 2000-2011 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.refactoring.typeMigration;

import com.intellij.psi.PsiExpression;
import com.intellij.psi.PsiSubstitutor;
import com.intellij.psi.PsiType;
import com.intellij.refactoring.typeMigration.usageInfo.TypeMigrationUsageInfo;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class TypeConversionDescriptorBase {

  private TypeMigrationUsageInfo myRoot;

  public TypeConversionDescriptorBase() {
  }

  public TypeMigrationUsageInfo getRoot() {
    return myRoot;
  }

  public void setRoot(final TypeMigrationUsageInfo root) {
    myRoot = root;
  }

  /**
   * @return converted expression type or null if not known
   */
  @Nullable
  public PsiType conversionType() {
    return null;
  }

  public PsiExpression replace(PsiExpression expression, @NotNull TypeEvaluator evaluator) throws IncorrectOperationException {
    return expression;
  }

  @Override
  public String toString() {
    return "$";
  }
}